World Health Organization, United Nations Development Programme, & Reid, E. (1998). Cancer pain relief and palliative care in children. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization, United Nations Development Programme, e Elizabeth Reid. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.
Citatione MLA (8a ed.)World Health Organization, et al. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.